But he says twirl the shoulders, that starts with the back and chest muscles and gets the torso hips and legs rotating as well, it gets everything moving and gets some power from the hips but its the wrong order sequence.

The modern way is to start rotating the feet then the hips the hips stretch the torso which snaps the shoulders and arms.

The way he describes it the back and chest turn the shoulders which turn the hips which turns the feet, so you get strong hip power his way because they follow so closely behind the shoulders but its less powerful than starting from the feet.